package com.itheima.mapper;

import com.itheima.pojo.Category;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface CategoryMapper {
    //新增
    @Insert("insert into category(category_name,category_alias,create_user,create_time,update_time)"+
    "values(#{categoryName},#{categoryAlias},#{createUser},#{createTime},#{updateTime})")
    void add(Category category);

    //查询所有
    @Select("select * from category where create_user = #{userId}")
    List<Category> list(Integer userId);
    //根据id查询分类详情
    @Select("select * from category where id = #{id}")
    Category findById(Integer id);
//更新文章分类
    @Update("update category set category_name = #{categoryName},category_alias = #{categoryAlias},update_time = #{updateTime} where id = #{id}")
    void update(Category category);

    //删除文章分类
    @Update("delete from category where id = #{id}")
    void delete(Integer id);
}
